JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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You can have 2 column layout by using the Shrink, Expand, Merge and Move to a new line function in the form builder.
You just need to right click on the field and then select the option like Shrink. Please check this screencast:
Here are 2 guides that might be helpful for you.
Let us know if you need any help. Thank you.